- Added GET /api/v1/trade-review/experiences/tag-stats endpoint
- Returns tag name, count, tag_id, category, and is_preset flag
- Sorted by count descending using Counter
- Verified app imports and reflection tests pass
- Added TradePair, TradeReflection, DailyReflection, TradeTag, TradeRecordTag, TradeExperience models
- Updated analysis_db.py to include new models in init functions
- Added _init_preset_tags() function with 19 preset tags in 4 categories
- Updated tasks.md to mark task 1 as complete
- Move config-to-mysql change to openspec/changes/archive/2026-07-05-config-to-mysql/
- Update archived-with metadata in Design Doc and Plan
- Mark verify_result: pass, verified_at: 2026-07-05, archived: true
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